John Spencer-Churchill, 10th Duke of Marlborough

His Grace The Duke of Marlborough DL
Member of the House of Lords as Duke of Marlborough
In office 30 June 1934 – 11 March 1972
Preceded by	Charles Spencer-Churchill
Succeeded by	John Spencer-Churchill
Personal details
Born	John Albert Edward William Spencer-Churchill (1897-09-18)18 September 1897 London, England
Died	11 March 1972(1972-03-11) (aged 74) London, England
Spouses	Hon. Alexandra Mary Cadogan ​ ​ (m. 1920; died 1961)​ Laura (Charteris) Canfield ​ ​ (m. 1972)​
Children	Lady Sarah Roubanis Lady Caroline Waterhouse John Spencer-Churchill, 11th Duke of Marlborough Lady Rosemary Muir Lord Charles Spencer-Churchill
Parents	Charles Spencer-Churchill, 9th Duke of Marlborough Consuelo Vanderbilt
Residence	Blenheim Palace

John Albert Edward William Spencer-Churchill, 10th Duke of Marlborough, DL (18 September 1897 – 11 March 1972), styled Marquess of Blandford until 1934, was a British military officer and peer.